Home / 187,464.57-258,701.10-102,581.64

Finding the Fourth Proportional to 187,464.57, 258,701.10 and 102,581.64

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Solution

The fourth proportional to 187,464.57, 258,701.10 and 102,581.64 is: 141,562.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,464.57 : 258,701.10 = 102,581.64 : x
  2. Step 2: Convert to fraction form
    187,464.57/258,701.10 = 102,581.64/x
  3. Step 3: Cross multiply
    187,464.57x = 258,701.10 × 102,581.64
  4. Step 4: Simplify right side
    187,464.57x = 26,537,983,107.80
  5. Step 5: Solve for x
    x = 26,537,983,107.80/187,464.57
  6. Step 6: Final answer
    x = 141,562.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.